EP0999099A2 - Method for reprogramming of apparatus containing control units especially in cars - Google Patents

Method for reprogramming of apparatus containing control units especially in cars Download PDF

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Publication number
EP0999099A2
EP0999099A2 EP99121213A EP99121213A EP0999099A2 EP 0999099 A2 EP0999099 A2 EP 0999099A2 EP 99121213 A EP99121213 A EP 99121213A EP 99121213 A EP99121213 A EP 99121213A EP 0999099 A2 EP0999099 A2 EP 0999099A2
Authority
EP
European Patent Office
Prior art keywords
control unit
radio signal
data
radio
reprogramming
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP99121213A
Other languages
German (de)
French (fr)
Other versions
EP0999099A3 (en
Inventor
Hans-Martin Dannegger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Mannesmann VDO AG
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mannesmann VDO AG, Siemens AG filed Critical Mannesmann VDO AG
Publication of EP0999099A2 publication Critical patent/EP0999099A2/en
Publication of EP0999099A3 publication Critical patent/EP0999099A3/en
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
    • H04H60/13—Arrangements for device control affected by the broadcast information
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2487—Methods for rewriting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/91—Arrangements characterised by the broadcast information itself broadcasting computer programmes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H2201/00—Aspects of broadcast communication
    • H04H2201/10—Aspects of broadcast communication characterised by the type of broadcast system
    • H04H2201/13—Aspects of broadcast communication characterised by the type of broadcast system radio data system/radio broadcast data system [RDS/RBDS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/68—Systems specially adapted for using specific information, e.g. geographical or meteorological information
    • H04H60/70—Systems specially adapted for using specific information, e.g. geographical or meteorological information using geographical information, e.g. maps, charts or atlases

Definitions

  • the invention relates to a method for reprogramming of a device having a control unit, in particular of radio signal processing in motor vehicles.
  • Radio signal processing is currently used in today's Motor vehicles are increasingly used to the driver for example Data about the current traffic situation for To make available. So it is already possible today the position of the vehicle based on the data received to determine with high accuracy and with digitized Compare road maps so that the driver can be directed to a predetermined destination.
  • the known systems allow rapid availability and thus ensure increased driving safety and increased comfort.
  • RDS Radio data system
  • the disadvantage here is that the fast progressive development in the field of such telematics systems comparatively often an adjustment of the system, in particular the radio signal processing of the vehicle must be made to always have an optimal Use of the data transmitted by means of the radio signal to reach. This must be done by loading an updated Radio signal processing program the radio signal processing be brought up to date, which is often the case can only be carried out by a specialist workshop.
  • the problem underlying the invention is a method for reprogramming a control unit Device, in particular a radio signal processing a Motor vehicle so that to a workshop stay to update the control unit controlling programs can be dispensed with.
  • This problem is solved according to the invention in that with a radio signal a data record of the control unit is changed.
  • This allows the adjustment of the Processing in the control unit using the means of the radio signal transmitted to the radio signal processing Data are made.
  • the data transmission made on the control unit during operation so that no downtimes occur Workshop visits must be provided.
  • data from a digitized road map flows for the driver unnoticed in the control unit flow and can be brought up to date become.
  • This can also be done for trips abroad, for which automatically additional traffic regulations apply received and, for example, in a speed control system can flow in or automatically the low beam is switched on by the control unit will be as prescribed in Scandinavian countries is.
  • One embodiment of the invention is special advantageous in which with the radio signal the data set one Program codes of the control unit is changed. Thereby can intervene directly in the control unit and so when the vehicle control for the driver changes can be made unnoticed. With help Such programs become the essential processes in the vehicle such as braking systems, airbags, electronic Suspension systems etc. regulated and monitored so that easy change by changing the program code in essential areas of the vehicle and thus effective optimization is made possible.
  • Control unit around an engine control of the motor vehicle acts.
  • the engine control can constantly adapted to the latest specifications and, for example, the Fuel consumption can be reduced.
  • This can also affect the environment be taken into account and for example a coordination of the engine control for summer or winter operation be made.
  • a further development of the invention is particularly simple, in which the control unit for receiving radio signals a radio data system (RDS) is formed.
  • RDS radio data system
  • control unit receives trained by radio signals from a mobile phone system is.
  • control unit receives a signal in particular to confirm the radio signal received, triggers.
  • This allows the sender of the Radio signals that data has been transmitted to the receiver of the radio signal. It can also be done at the same time a feedback of the changes made to the data record or other vehicle-specific data the current state of the vehicle serve as the basis for subsequent radio signals. Farther can result in incorrect transmission of data be recognized immediately.
  • the driver can the data transmission and the change made to the Record, for example by means of a display pointed out become.

Abstract

The method involves altering a data set in the control unit using a radio signal. The radio signal is used to change the data in a program code of the control unit. The control unit is used to control the engine of the motor vehicle. The control unit may be designed to receive radio data system (RDS) signals, or signals from a mobile telephone system. The control unit may generate a signal to confirm reception of the radio signal.

Description

Die Erfindung betrifft ein Verfahren zum Umprogrammieren eines eine Steuereinheit aufweisenden Geräts, insbesondere von Funksignalverarbeitungen in Kraftfahrzeugen.The invention relates to a method for reprogramming of a device having a control unit, in particular of radio signal processing in motor vehicles.

Derzeit werden Funksignalverarbeitungen in heutigen Kraftfahrzeugen zunehmend eingesetzt, um dem Fahrer beispielsweise Daten über das aktuelle Verkehrsgeschehen zur Verfügung zu stellen. So ist es heute bereits möglich, die Position des Fahrzeuges aufgrund der empfangenen Daten mit hoher Genauigkeit zu bestimmen und mit digitalisierten Straßenplänen zu vergleichen, so dass der Fahrer zu einem vorbestimmten Fahrziel geleitet werden kann. Die bekannten Systeme erlauben dabei eine schnelle Verfügbarkeit und sorgen somit für eine erhöhte Fahrsicherheit und gesteigerten Komfort.Radio signal processing is currently used in today's Motor vehicles are increasingly used to the driver for example Data about the current traffic situation for To make available. So it is already possible today the position of the vehicle based on the data received to determine with high accuracy and with digitized Compare road maps so that the driver can be directed to a predetermined destination. The known systems allow rapid availability and thus ensure increased driving safety and increased comfort.

Es ist weiterhin auch bekannt mittels des weit verbreiteten Radio-Daten-Systems (RDS) aktuelle Verkehrshinweise auf einem Display anzuzeigen und auch bei modernen Telematik-Systemen in die Fahrzeugführung einfließen zu lassen.It is also known by means of the widespread Radio data system (RDS) current traffic information to be shown on a display and also with modern telematics systems to flow into the vehicle guidance.

Nachteilig wirkt sich hierbei aus, dass durch die schnell fortschreitende Entwicklung im Bereich solcher Telematik-Systeme vergleichsweise häufig eine Anpassung des Systems, insbesondere der Funksignalverarbeitung des Fahrzeuges vorgenommen werden muss, um stets eine optimale Nutzung der mittels des Funksignales übermittelten Daten zu erreichen. Hierzu muss durch Laden eines aktualisierten Funksignalverarbeitungsprogrammes die Funksignalverarbeitung auf den letzten Stand gebracht werden, was oftmals nur von einer Fachwerkstatt ausgeführt werden kann.The disadvantage here is that the fast progressive development in the field of such telematics systems comparatively often an adjustment of the system, in particular the radio signal processing of the vehicle must be made to always have an optimal Use of the data transmitted by means of the radio signal to reach. This must be done by loading an updated Radio signal processing program the radio signal processing be brought up to date, which is often the case can only be carried out by a specialist workshop.

Der Erfindung liegt das Problem zugrunde, ein Verfahren zum Umprogrammieren einer eine Steuereinheit aufweisenden Geräts, insbesondere eine Funksignalverarbeitung eines Kraftfahrzeugs so auszuführen, dass auf einen Werkstattaufenthalt zur Aktualisierung der die Steuereinheit steuernden Programme verzichtet werden kann.The problem underlying the invention is a method for reprogramming a control unit Device, in particular a radio signal processing a Motor vehicle so that to a workshop stay to update the control unit controlling programs can be dispensed with.

Dieses Problem wird erfindungsgemäß dadurch gelöst, dass mit einem Funksignal ein Datensatz der Steuereinheit verändert wird. Hierdurch kann die Anpassung der Verarbeitung in der Steuereinheit mit Hilfe der mittels des Funksignals auf die Funksignalverarbeitung übertragenen Daten vorgenommen werden. Dabei kann die Datenübertragung auf die Steuereinheit während des Betriebes vorgenommen werden, so dass keine Stillstandszeiten durch Werkstattaufenthalte vorgesehen werden müssen. Dadurch fließen beispielsweise Daten einer digitalisierten Straßenkarte für den Fahrer unbemerkt in die Steuereinheit einfließen und können so auf einen aktuellen Stand gebracht werden. Dies ist auch für Reisen ins Ausland realisierbar, bei denen hierzu automatisch zusätzlich Verkehrsvorschriften empfangen und beispielsweise in ein Geschwindigkeitsregelsystem einfließen können oder aber automatisch durch die Steuereinheit das Abblendlicht eingeschaltet wird, wie dies in skandinavischen Ländern vorgeschrieben ist.This problem is solved according to the invention in that with a radio signal a data record of the control unit is changed. This allows the adjustment of the Processing in the control unit using the means of the radio signal transmitted to the radio signal processing Data are made. Thereby the data transmission made on the control unit during operation so that no downtimes occur Workshop visits must be provided. Thereby For example, data from a digitized road map flows for the driver unnoticed in the control unit flow and can be brought up to date become. This can also be done for trips abroad, for which automatically additional traffic regulations apply received and, for example, in a speed control system can flow in or automatically the low beam is switched on by the control unit will be as prescribed in Scandinavian countries is.

Dabei ist eine Ausführungsform der Erfindung besonders vorteilhaft, bei der mit dem Funksignal der Datensatz eines Programmcodes der Steuereinheit verändert wird. Dadurch kann unmittelbar in die Steuereinheit eingegriffen und so beim Ablauf der Fahrzeugsteuerung für den Fahrer unbemerkt Veränderungen vorgenommen werden. Mit Hilfe solcher Programme werden im Fahrzeug die wesentlichen Abläufe wie beispielsweise Bremssysteme, Airbag, elektronische Fahrwerksysteme etc. geregelt und überwacht, so dass durch Änderung des Programmcodes ein problemloser Eingriff in wesentliche Bereiche des Fahrzeuges und damit eine wirkungsvolle Optimierung ermöglicht wird.One embodiment of the invention is special advantageous in which with the radio signal the data set one Program codes of the control unit is changed. Thereby can intervene directly in the control unit and so when the vehicle control for the driver changes can be made unnoticed. With help Such programs become the essential processes in the vehicle such as braking systems, airbags, electronic Suspension systems etc. regulated and monitored so that easy change by changing the program code in essential areas of the vehicle and thus effective optimization is made possible.

Besonders vorteilhaft ist es dabei, wenn es sich bei der Steuereinheit um eine Motorsteuerung des Kraftfahrzeuges handelt. Dadurch kann die Motorsteuerung ständig den neuesten Vorgaben angepasst und so beispielsweise der Kraftstoffverbrauch gesenkt werden. Dabei können auch Umwelteinflüsse berücksichtigt werden und beispielsweise eine Abstimmung der Motorsteuerung auf Sommer- oder Winterbetrieb vorgenommen werden. Ebenso ist eine Anpassung der Motorsteuerung an individuelle nationale Besonderheiten, insbesondere der Kraftstoffqualität bei Fahrten ins Ausland möglich.It is particularly advantageous if it is Control unit around an engine control of the motor vehicle acts. As a result, the engine control can constantly adapted to the latest specifications and, for example, the Fuel consumption can be reduced. This can also affect the environment be taken into account and for example a coordination of the engine control for summer or winter operation be made. There is also an adjustment the engine control to individual national peculiarities, especially the fuel quality when driving to Abroad possible.

Besonders einfach ist dabei eine Weiterbildung der Erfindung, bei der die Steuereinheit zum Empfang von Funksignalen eines Radio-Daten-Systems (RDS) ausgebildet ist.A further development of the invention is particularly simple, in which the control unit for receiving radio signals a radio data system (RDS) is formed.

Dieses Radio-Daten-System ist bereits heute in vielen Fahrzeugen vorhanden und ermöglicht eine flächendeckende und zuverlässige Funkverbindung. Dabei kann das nach dem Stand der Technik lediglich zur optischen Darstellung von Informationen dienende Radio-Daten-System vergleichsweise einfach mittels einer geeigneten Schnittstelle mit der Steuereinheit verbunden werden. Ein Mißbrauch kann dabei problemlos durch eine entsprechende Codierung verhindert werden.This radio data system is already in use today Vehicles available and enables a nationwide and reliable radio connection. This can be done after State of the art only for the optical representation of Comparative information-serving radio data system simply by means of a suitable interface with the Control unit can be connected. Abuse can do so easily prevented by appropriate coding become.

Eine andere vorteilhafte Ausführungsform der Erfindung ist auch dadurch gegeben, wenn die Steuereinheit zum Empfang von Funksignalen einer Mobiltelefonanlage ausgebildet ist.Another advantageous embodiment of the invention is also given when the control unit receives trained by radio signals from a mobile phone system is.

Hierdurch kann gezielt eine Auswahl des gewünschten Empfängers über die Telefonnummer vorgenommen werden, so dass auch individuelle Daten des speziellen Fahrzeuges in die Anpassung einfließen können. So kann beispielsweise der letzte Werkstattaufenthalt ebenso wie die Art der Bereifung in einer zentralen Recheneinheit gespeichert und bei entsprechenden Änderungen im Datenspeicher der Steuereinheit berücksichtigt werden. Dabei ist eine fehlerhafte Zuordnung eines Funksignales zu einem falschen Fahrzeug weitgehend ausgeschlossen.This allows a targeted selection of the desired recipient be made on the phone number, so that also individual data of the special vehicle in the adjustment can flow. For example the last visit to the workshop as well as the type of tires stored in a central processing unit and with corresponding changes in the data storage of the control unit be taken into account. Doing so is faulty Assignment of a radio signal to a wrong one Vehicle largely excluded.

Eine besonders vorteilhafte Weiterbildung der Erfindung ist auch dadurch gegeben, wenn die Steuereinheit ein Signal, insbesondere zur Bestätigung des empfangenen Funksignales, auslöst. Dadurch kann der Absender des Funksignales die erfolgte Datenübertragung an den Empfänger des Funksignales überwachen. Dabei kann zugleich auch eine Rückmeldung der vorgenommenen Änderungen des Datensatzes oder anderer fahrzeugspezifischer Daten übermittelt werden und so der aktuelle Zustand des Fahrzeuges als Grundlage für nachfolgende Funksignale dienen. Weiterhin kann dabei eine fehlerhafte Übermittlung von Daten unmittelbar erkannt werden. Zugleich kann der Fahrer auf die Datenübertragung und die vorgenommene Änderung des Datensatzes, beispielsweise mittels eines Displays, hingewiesen werden.A particularly advantageous development of the invention is also given when the control unit receives a signal in particular to confirm the radio signal received, triggers. This allows the sender of the Radio signals that data has been transmitted to the receiver of the radio signal. It can also be done at the same time a feedback of the changes made to the data record or other vehicle-specific data the current state of the vehicle serve as the basis for subsequent radio signals. Farther can result in incorrect transmission of data be recognized immediately. At the same time, the driver can the data transmission and the change made to the Record, for example by means of a display pointed out become.

Claims (6)

Verfahren zum Umprogrammieren eines eine Steuereinheit aufweisenden Gerätes, insbesondere in Kraftfahrzeugen, dadurch gekennzeichnet, dass mit einem Funksignal ein Datensatz der Steuereinheit verändert wird.Method for reprogramming a device having a control unit, in particular in motor vehicles, characterized in that a data record of the control unit is changed with a radio signal. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass mit dem Funksignal der Datensatz eines Programmcodes der Steuereinheit verändert wird.A method according to claim 1, characterized in that the data record of a program code of the control unit is changed with the radio signal. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass es sich bei der Steuereinheit um eine Motorsteuerung des Kraftfahrzeuges handelt.Method according to claim 1 or 2, characterized in that the control unit is an engine control of the motor vehicle. Verfahren nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Steuereinheit zum Empfang von Funksignalen eines Radio-Daten-Systems (RDS) ausgebildet ist.Method according to at least one of the preceding claims, characterized in that the control unit is designed to receive radio signals of a radio data system (RDS). Verfahren nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Steuereinheit zum Empfang von Funksignalen einer Mobiltelefonanlage ausgebildet ist. Method according to at least one of the preceding claims, characterized in that the control unit is designed to receive radio signals from a mobile telephone system. Verfahren nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Steuereinheit ein Signal, insbesondere zur Bestätigung des empfangenen Funksignales, auslöst.Method according to at least one of the preceding claims, characterized in that the control unit triggers a signal, in particular to confirm the received radio signal.
EP99121213A 1998-11-05 1999-10-23 Method for reprogramming of apparatus containing control units especially in cars Withdrawn EP0999099A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19850903 1998-11-05
DE1998150903 DE19850903A1 (en) 1998-11-05 1998-11-05 Method for reprogramming devices having control units, in particular in motor vehicles

Publications (2)

Publication Number Publication Date
EP0999099A2 true EP0999099A2 (en) 2000-05-10
EP0999099A3 EP0999099A3 (en) 2001-12-19

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EP99121213A Withdrawn EP0999099A3 (en) 1998-11-05 1999-10-23 Method for reprogramming of apparatus containing control units especially in cars

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GB2353872A (en) * 1999-08-28 2001-03-07 Roke Manor Research Vehicle drive control, speed warning and navigation apparatus
WO2002010908A2 (en) * 2000-08-02 2002-02-07 Siemens Automotive Corporation Wireless reprogramming of vehicle electronic control units
WO2002019067A2 (en) * 2000-08-31 2002-03-07 F-Secure Oyj Maintaining virus detection software
EP1455312A1 (en) * 2003-03-05 2004-09-08 Volkswagen Aktiengesellschaft Method and apparatus for maintenance of security sensitive program code of a vehicle
EP1569183A2 (en) * 2004-02-24 2005-08-31 Robert Bosch GmbH System for open-loop and/or for closed loop control of driver assist systems and method related thereto
EP1699031A1 (en) * 2003-12-15 2006-09-06 Hitachi, Ltd. Information updating method of vehicle-mounted control apparatus, update information communication system, vehicle-mounted control apparatus, and information management base station apparatus
EP1178455A3 (en) * 2000-08-04 2007-10-03 Robert Bosch Gmbh Method and system for transmitting data
WO2008022756A1 (en) * 2006-08-24 2008-02-28 Bayerische Motoren Werke Aktiengesellschaft Vehicle data capture system

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GB2353872B (en) * 1999-08-28 2004-02-04 Roke Manor Research vehicle speed warning apparatus
GB2353872A (en) * 1999-08-28 2001-03-07 Roke Manor Research Vehicle drive control, speed warning and navigation apparatus
WO2002010908A2 (en) * 2000-08-02 2002-02-07 Siemens Automotive Corporation Wireless reprogramming of vehicle electronic control units
WO2002010908A3 (en) * 2000-08-02 2003-11-20 Siemens Automotive Corp Lp Wireless reprogramming of vehicle electronic control units
EP1178455A3 (en) * 2000-08-04 2007-10-03 Robert Bosch Gmbh Method and system for transmitting data
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EP1455312A1 (en) * 2003-03-05 2004-09-08 Volkswagen Aktiengesellschaft Method and apparatus for maintenance of security sensitive program code of a vehicle
EP1699031A4 (en) * 2003-12-15 2008-01-23 Hitachi Ltd Information updating method of vehicle-mounted control apparatus, update information communication system, vehicle-mounted control apparatus, and information management base station apparatus
EP1699031A1 (en) * 2003-12-15 2006-09-06 Hitachi, Ltd. Information updating method of vehicle-mounted control apparatus, update information communication system, vehicle-mounted control apparatus, and information management base station apparatus
US8290659B2 (en) 2003-12-15 2012-10-16 Hitachi, Ltd. Information updating method of vehicle-mounted control apparatus, update information communication system, vehicle-mounted control apparatus, and information management base station apparatus
EP1569183A3 (en) * 2004-02-24 2006-08-16 Robert Bosch GmbH System for open-loop and/or for closed loop control of driver assist systems and method related thereto
EP1569183A2 (en) * 2004-02-24 2005-08-31 Robert Bosch GmbH System for open-loop and/or for closed loop control of driver assist systems and method related thereto
WO2008022756A1 (en) * 2006-08-24 2008-02-28 Bayerische Motoren Werke Aktiengesellschaft Vehicle data capture system
US8909409B2 (en) 2006-08-24 2014-12-09 Bayerische Motoren Werke Aktiengesellschaft Vehicle data acquisition system and method

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Publication number Publication date
DE19850903A1 (en) 2000-05-11
EP0999099A3 (en) 2001-12-19

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